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OpenCloudOS-Kernel/arch/arm/mach-omap1/board-palmz71.c

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/*
* linux/arch/arm/mach-omap1/board-palmz71.c
*
* Modified from board-generic.c
*
* Support for the Palm Zire71 PDA.
*
* Original version : Laurent Gonzalez
*
* Modified for zire71 : Marek Vasut
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/notifier.h>
#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
#include <asm/arch/mcbsp.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mux.h>
#include <asm/arch/usb.h>
#include <asm/arch/dma.h>
#include <asm/arch/tc.h>
#include <asm/arch/board.h>
#include <asm/arch/irda.h>
#include <asm/arch/keypad.h>
#include <asm/arch/common.h>
#include <asm/arch/omap-alsa.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
static void __init
omap_palmz71_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap_gpio_init();
}
static int palmz71_keymap[] = {
KEY(0, 0, KEY_F1),
KEY(0, 1, KEY_F2),
KEY(0, 2, KEY_F3),
KEY(0, 3, KEY_F4),
KEY(0, 4, KEY_POWER),
KEY(1, 0, KEY_LEFT),
KEY(1, 1, KEY_DOWN),
KEY(1, 2, KEY_UP),
KEY(1, 3, KEY_RIGHT),
KEY(1, 4, KEY_ENTER),
KEY(2, 0, KEY_CAMERA),
0,
};
static struct omap_kp_platform_data palmz71_kp_data = {
.rows = 8,
.cols = 8,
.keymap = palmz71_keymap,
.rep = 1,
.delay = 80,
};
static struct resource palmz71_kp_resources[] = {
[0] = {
.start = INT_KEYBOARD,
.end = INT_KEYBOARD,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device palmz71_kp_device = {
.name = "omap-keypad",
.id = -1,
.dev = {
.platform_data = &palmz71_kp_data,
},
.num_resources = ARRAY_SIZE(palmz71_kp_resources),
.resource = palmz71_kp_resources,
};
static struct mtd_partition palmz71_rom_partitions[] = {
/* PalmOS "Small ROM", contains the bootloader and the debugger */
{
.name = "smallrom",
.offset = 0,
.size = 0xa000,
.mask_flags = MTD_WRITEABLE,
},
/* PalmOS "Big ROM", a filesystem with all the OS code and data */
{
.name = "bigrom",
.offset = SZ_128K,
/*
* 0x5f0000 bytes big in the multi-language ("EFIGS") version,
* 0x7b0000 bytes in the English-only ("enUS") version.
*/
.size = 0x7b0000,
.mask_flags = MTD_WRITEABLE,
},
};
static struct flash_platform_data palmz71_rom_data = {
.map_name = "map_rom",
.name = "onboardrom",
.width = 2,
.parts = palmz71_rom_partitions,
.nr_parts = ARRAY_SIZE(palmz71_rom_partitions),
};
static struct resource palmz71_rom_resource = {
.start = OMAP_CS0_PHYS,
.end = OMAP_CS0_PHYS + SZ_8M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device palmz71_rom_device = {
.name = "omapflash",
.id = -1,
.dev = {
.platform_data = &palmz71_rom_data,
},
.num_resources = 1,
.resource = &palmz71_rom_resource,
};
static struct platform_device palmz71_lcd_device = {
.name = "lcd_palmz71",
.id = -1,
};
static struct omap_irda_config palmz71_irda_config = {
.transceiver_cap = IR_SIRMODE,
.rx_channel = OMAP_DMA_UART3_RX,
.tx_channel = OMAP_DMA_UART3_TX,
.dest_start = UART3_THR,
.src_start = UART3_RHR,
.tx_trigger = 0,
.rx_trigger = 0,
};
static struct resource palmz71_irda_resources[] = {
[0] = {
.start = INT_UART3,
.end = INT_UART3,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device palmz71_irda_device = {
.name = "omapirda",
.id = -1,
.dev = {
.platform_data = &palmz71_irda_config,
},
.num_resources = ARRAY_SIZE(palmz71_irda_resources),
.resource = palmz71_irda_resources,
};
static struct platform_device palmz71_spi_device = {
.name = "spi_palmz71",
.id = -1,
};
#define DEFAULT_BITPERSAMPLE 16
static struct omap_mcbsp_reg_cfg mcbsp_regs = {
.spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
.spcr1 = RINTM(3) | RRST,
.rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
.xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
.srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
.pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
};
static struct omap_alsa_codec_config alsa_config = {
.name = "PalmZ71 AIC23",
.mcbsp_regs_alsa = &mcbsp_regs,
.codec_configure_dev = NULL, /* aic23_configure */
.codec_set_samplerate = NULL, /* aic23_set_samplerate */
.codec_clock_setup = NULL, /* aic23_clock_setup */
.codec_clock_on = NULL, /* aic23_clock_on */
.codec_clock_off = NULL, /* aic23_clock_off */
.get_default_samplerate = NULL, /* aic23_get_default_samplerate */
};
static struct platform_device palmz71_mcbsp1_device = {
.name = "omap_alsa_mcbsp",
.id = 1,
.dev = {
.platform_data = &alsa_config,
},
};
static struct omap_backlight_config palmz71_backlight_config = {
.default_intensity = 0xa0,
};
static struct platform_device palmz71_backlight_device = {
.name = "omap-bl",
.id = -1,
.dev = {
.platform_data = &palmz71_backlight_config,
},
};
static struct platform_device *devices[] __initdata = {
&palmz71_rom_device,
&palmz71_kp_device,
&palmz71_mcbsp1_device,
&palmz71_lcd_device,
&palmz71_irda_device,
&palmz71_spi_device,
&palmz71_backlight_device,
};
static int
palmz71_get_pendown_state(void)
{
return !omap_get_gpio_datain(PALMZ71_PENIRQ_GPIO);
}
static const struct ads7846_platform_data palmz71_ts_info = {
.model = 7846,
.vref_delay_usecs = 100, /* internal, no capacitor */
.x_plate_ohms = 419,
.y_plate_ohms = 486,
.get_pendown_state = palmz71_get_pendown_state,
};
static struct spi_board_info __initdata palmz71_boardinfo[] = { {
/* MicroWire (bus 2) CS0 has an ads7846e */
.modalias = "ads7846",
.platform_data = &palmz71_ts_info,
.irq = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
.max_speed_hz = 120000 /* max sample rate at 3V */
* 26 /* command + data + overhead */,
.bus_num = 2,
.chip_select = 0,
} };
static struct omap_usb_config palmz71_usb_config __initdata = {
.register_dev = 1, /* Mini-B only receptacle */
.hmc_mode = 0,
.pins[0] = 2,
};
static struct omap_mmc_config palmz71_mmc_config __initdata = {
.mmc[0] = {
.enabled = 1,
.wire4 = 0,
.wp_pin = PALMZ71_MMC_WP_GPIO,
.power_pin = -1,
.switch_pin = PALMZ71_MMC_IN_GPIO,
},
};
static struct omap_lcd_config palmz71_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_uart_config palmz71_uart_config __initdata = {
.enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
};
static struct omap_board_config_kernel palmz71_config[] __initdata = {
{OMAP_TAG_USB, &palmz71_usb_config},
{OMAP_TAG_MMC, &palmz71_mmc_config},
{OMAP_TAG_LCD, &palmz71_lcd_config},
{OMAP_TAG_UART, &palmz71_uart_config},
};
static irqreturn_t
palmz71_powercable(int irq, void *dev_id)
{
if (omap_get_gpio_datain(PALMZ71_USBDETECT_GPIO)) {
printk(KERN_INFO "PM: Power cable connected\n");
set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
IRQT_FALLING);
} else {
printk(KERN_INFO "PM: Power cable disconnected\n");
set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
IRQT_RISING);
}
return IRQ_HANDLED;
}
static void __init
omap_mpu_wdt_mode(int mode)
{
if (mode)
omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
else {
omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
}
}
static void __init
palmz71_gpio_setup(int early)
{
if (early) {
/* Only set GPIO1 so we have a working serial */
omap_set_gpio_dataout(1, 1);
omap_set_gpio_direction(1, 0);
} else {
/* Set MMC/SD host WP pin as input */
if (omap_request_gpio(PALMZ71_MMC_WP_GPIO)) {
printk(KERN_ERR "Could not reserve WP GPIO!\n");
return;
}
omap_set_gpio_direction(PALMZ71_MMC_WP_GPIO, 1);
/* Monitor the Power-cable-connected signal */
if (omap_request_gpio(PALMZ71_USBDETECT_GPIO)) {
printk(KERN_ERR
"Could not reserve cable signal GPIO!\n");
return;
}
omap_set_gpio_direction(PALMZ71_USBDETECT_GPIO, 1);
if (request_irq(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
palmz71_powercable, IRQF_SAMPLE_RANDOM,
"palmz71-cable", 0))
printk(KERN_ERR
"IRQ request for power cable failed!\n");
palmz71_powercable(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), 0);
}
}
static void __init
omap_palmz71_init(void)
{
palmz71_gpio_setup(1);
omap_mpu_wdt_mode(0);
omap_board_config = palmz71_config;
omap_board_config_size = ARRAY_SIZE(palmz71_config);
platform_add_devices(devices, ARRAY_SIZE(devices));
spi_register_board_info(palmz71_boardinfo,
ARRAY_SIZE(palmz71_boardinfo));
omap_serial_init();
omap_register_i2c_bus(1, 100, NULL, 0);
palmz71_gpio_setup(0);
}
static void __init
omap_palmz71_map_io(void)
{
omap1_map_common_io();
}
MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
.phys_io = 0xfff00000,
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
.boot_params = 0x10000100,.map_io = omap_palmz71_map_io,
.init_irq = omap_palmz71_init_irq,
.init_machine = omap_palmz71_init,
.timer = &omap_timer,
MACHINE_END
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